中国资源综合利用2026，Vol.44Issue(9)：15-18,64,5.DOI:10.3969/j.issn.1008-9500.2026.09.005
渣油加氢废催化剂热解-冷凝协同回收油技术研究
Research on Synergistic Pyrolysis-Condensation Oil Recovery Technology for Spent Residue Hydrotreating Catalysts
马占龙 1朱俊 1白杨 2佟旭 3于艳 1王黎黎 4王冲 1高峰 1王旭1
作者信息
- 1. 铁岭贵鑫环保科技股份有限公司,辽宁 铁岭 112607
- 2. 辽宁省生态环境事务服务中心,辽宁 沈阳 110000
- 3. 辽宁江澄环保科技有限公司,辽宁 抚顺 113001
- 4. 铁岭市生态环境事务服务中心,辽宁 铁岭 112000
- 折叠
摘要
Abstract
To address insufficient desorption of heavy oil from spent residue hydrotreating catalysts and limited condensation efficiency of pyrolysis gas,a synergistic process integrating segmented temperature-controlled pyrolysis in a rotary kiln with three-stage gradient condensation is developed.Single-factor experiments are conducted to investigate the effects of pyrolysis temperature,material residence time,and condensation temperature gradient on oil recovery,and the appropriate process parameters are determined as follows:temperatures of 520℃and 550℃for Zones I and II,respectively;a material residence time of 90 min;and three-stage condensation temperatures of 140℃,80℃,and 20℃.The results show that under the optimized conditions,the oil recovery reaches 94.2%,the residual oil content decreases to 0.25%,and the energy consumption is 265(kW·h)/t.The diesel fraction accounts for 72.8%of the recovered oil,with a sulfur content of 98 μg/g,indicating its potential for further utilization through hydrofining.The proposed process enables efficient desorption and fractionated recovery of heavy oil,providing a technical reference for the resource utilization of spent residue hydrotreating catalysts.关键词
渣油加氢废催化剂/回转窑/分段控温/三级冷凝/油回收率Key words
spent residue hydrotreating catalysts/rotary kiln/segmented temperature control/three-stage condensation/oil recovery rate分类
资源环境引用本文复制引用
马占龙,朱俊,白杨,佟旭,于艳,王黎黎,王冲,高峰,王旭..渣油加氢废催化剂热解-冷凝协同回收油技术研究[J].中国资源综合利用,2026,44(9):15-18,64,5.
